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$216+ Cheap flights from Rhode Island to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
PVD — OPO
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheap flight deals from Rhode Island to Porto

Keep the following information in mind while searching for Rhode Island to Porto flight deals. Data was last updated November 4, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$395
(KLM)

One-way from

$216
(Mytrip)

Popular in

June

Cheapest in

March

Average price

$576
Provider with most accurate pricing for Boston Logan Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Porto flights.
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From Rhode Island to Porto
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One-way flight from Rhode Island to Porto
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Highest demand for flights based on searches. 15% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Rhode Island to Porto

Cheapest flights from Rhode Island to Porto
Explore the most affordable flight options available from Rhode Island to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

This KLM deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:25 pmBOS - OPO
1 stop33h 00mKLM
Thu 12/114:10 pmOPO - BOS
1 stop31h 45mKLM
Deal found 11/3$395
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:20 pmBOS - OPO
1 stop14h 20mLufthansa
Tue 12/24:15 pmOPO - BOS
1 stop26h 10mLufthansa
Deal found 11/4$398
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:25 pmBOS - OPO
1 stop10h 05mUnited Airlines
Tue 12/212:30 pmOPO - BOS
1 stop29h 55mUnited Airlines
Deal found 11/3$399
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:25 pmBOS - OPO
1 stop10h 05mUnited Airlines
Mon 12/112:30 pmOPO - BOS
2 stops30h 35mUnited Airlines
Deal found 11/2$402
This oojo deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:25 pmBOS - OPO
1 stop13h 35mTAP AIR PORTUGAL
Sat 12/610:00 amOPO - BOS
1 stop15h 10mTAP AIR PORTUGAL
Deal found 11/4$403
This FlightHub deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:45 pmBOS - OPO
1 stop11h 15mTAP AIR PORTUGAL
Wed 12/38:00 pmOPO - BOS
1 stop29h 10mTAP AIR PORTUGAL
Deal found 11/2$405
This oojo deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:05 pmBOS - OPO
1 stop11h 55mTAP AIR PORTUGAL
Wed 12/36:00 pmOPO - BOS
1 stop31h 10mTAP AIR PORTUGAL
Deal found 11/2$406
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:30 amBOS - OPO
2 stops23h 00mUnited Airlines
Tue 12/212:30 pmOPO - BOS
2 stops35h 42mUnited Airlines
Deal found 11/2$409
This United deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:00 amBOS - OPO
2 stops21h 40mMultiple Airlines
Wed 12/312:10 pmOPO - BOS
1 stop13h 10mMultiple Airlines
Deal found 11/2$413
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:10 pmBOS - OPO
1 stop32h 00mSWISS
Wed 12/312:10 pmOPO - BOS
1 stop13h 10mSWISS
Deal found 11/2$415
This oojo deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:45 pmBOS - OPO
1 stop14h 15mTAP AIR PORTUGAL
Thu 11/2012:05 pmOPO - BOS
1 stop13h 05mTAP AIR PORTUGAL
Deal found 11/3$418
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:00 amBOS - OPO
2 stops21h 30mDelta
Wed 12/311:25 amOPO - BOS
2 stops29h 01mDelta
Deal found 11/2$420

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rhode Island to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Rhode Island to Porto that are best for you.

Fly from

Rhode Island

Fly to

Porto

Route

Depart

Return

Price

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Sun 5/3

10:30 am-9:45 am

1 stop18h 15m

Porto

Mon 5/11

7:20 pm-7:55 pm

1 stop29h 35m

$418

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Wed 4/1

6:00 am-9:45 am

2 stops22h 45m

Porto

Wed 4/15

8:40 am-7:55 pm

1 stop16h 15m

$422

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 11/25

10:30 am-10:30 am

2 stops19h 00m

Porto

Tue 12/2

11:25 am-4:20 pm

1 stop33h 55m

$423

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Thu 2/26

9:30 am-9:30 am

2 stops19h 00m

Porto

Tue 3/3

12:05 pm-8:20 pm

1 stop13h 15m

$423

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/23

6:27 pm-9:30 am

1 stop10h 03m

Porto

Sun 3/8

12:35 pm-9:41 pm

1 stop13h 06m

$424

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Tue 2/24

6:27 pm-9:30 am

1 stop10h 03m

Porto

Sat 3/7

12:35 pm-6:41 pm

1 stop11h 06m

$424

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 2/23

6:27 pm-9:30 am

1 stop10h 03m

Porto

Sat 3/7

12:35 pm-6:41 pm

1 stop11h 06m

$424

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Thu 3/5

9:30 am-9:30 am

2 stops19h 00m

Porto

Wed 3/18

12:35 pm-8:15 pm

1 stop11h 40m

$428

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Mon 3/30

9:50 am-9:45 am

2 stops18h 55m

Porto

Mon 4/27

7:20 pm-3:30 pm

1 stop25h 10m

$428

BostonPorto

BOS - OPO

BOSOPO

Boston Logan Intl

Fri 11/14

6:24 pm-9:30 am

1 stop10h 06m

Porto

Tue 11/25

12:35 pm-2:29 pm

2 stops30h 54m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 28 results
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Best time to book a flight from Rhode Island to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Rhode Island with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rhode Island to Porto

What is the cheapest time of day to fly from RI to OPO?

Find hourly flight availability from Rhode Island to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

One of the essential ways to save on airfare from Rhode Island to Porto is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Rhode Island to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Rhode Island?

    Located just 6.8 mi from the city center, Porto (OPO) is the airport most travelers will use when flying to Porto from Rhode Island.

  • How long is the flight from Rhode Island to Porto?

    Airlines like Delta and United Airlines fly from Rhode Island to Porto in about 10h 03m. The time it takes to get you to your destination can typically vary by up to 8h 57m. Airlines will cover a distance of 3134 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Rhode Island to Porto that include hotel bookings?

    Yes. In addition to deals on Rhode Island to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rhode Island to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rhode Island to Porto.

  • Can I find deals for business class flights from Rhode Island to Porto?

    Yes. Cheapflights offers flight deals from Rhode Island to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra
Vila Nova de Gaia

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